Police check the self declarations of pedestrians in Rome, Italy, Dec. 24, 2020. In Italy, regulations in force through Christmas and New Year's Day prohibit non-essential travel beyond 30 km from home or between regions. Restaurants and bars are asked to close by 6 p.m., with a nationwide curfew taking effect in four hours. (Xinhua/Cheng Tingting)

Photo taken on Dec. 24, 2020 shows a window of a closed shop in Rome, Italy. In Italy, regulations in force through Christmas and New Year's Day prohibit non-essential travel beyond 30 km from home or between regions. Restaurants and bars are asked to close by 6 p.m., with a nationwide curfew taking effect in four hours. (Xinhua/Cheng Tingting)

Photo taken on Dec. 24, 2020 shows a window of a closed shop in Rome, Italy. In Italy, regulations in force through Christmas and New Year's Day prohibit non-essential travel beyond 30 km from home or between regions. Restaurants and bars are asked to close by 6 p.m., with a nationwide curfew taking effect in four hours. (Xinhua/Cheng Tingting)

A woman wearing a face mask rides an electric scooter in front of a closed shop in Rome, Italy, Dec. 24, 2020. In Italy, regulations in force through Christmas and New Year's Day prohibit non-essential travel beyond 30 km from home or between regions. Restaurants and bars are asked to close by 6 p.m., with a nationwide curfew taking effect in four hours. (Xinhua/Cheng Tingting)

Shops on Via dei Condotti are closed in Rome, Italy, Dec. 24, 2020. In Italy, regulations in force through Christmas and New Year's Day prohibit non-essential travel beyond 30 km from home or between regions. Restaurants and bars are asked to close by 6 p.m., with a nationwide curfew taking effect in four hours. (Xinhua/Cheng Tingting)

A man jogs at Villa Borghese in Rome, Italy, Dec. 24, 2020. In Italy, regulations in force through Christmas and New Year's Day prohibit non-essential travel beyond 30 km from home or between regions. Restaurants and bars are asked to close by 6 p.m., with a nationwide curfew taking effect in four hours. (Xinhua/Cheng Tingting)

Police officers patrol at Piazza di Spagna in Rome, Italy, Dec. 24, 2020. In Italy, regulations in force through Christmas and New Year's Day prohibit non-essential travel beyond 30 km from home or between regions. Restaurants and bars are asked to close by 6 p.m., with a nationwide curfew taking effect in four hours. (Xinhua/Cheng Tingting)

People walk their dogs at Villa Borghese in Rome, Italy, Dec. 24, 2020. In Italy, regulations in force through Christmas and New Year's Day prohibit non-essential travel beyond 30 km from home or between regions. Restaurants and bars are asked to close by 6 p.m., with a nationwide curfew taking effect in four hours. (Xinhua/Cheng Tingting)

A woman wearing a face mask walks in Rome, Italy, Dec. 24, 2020. In Italy, regulations in force through Christmas and New Year's Day prohibit non-essential travel beyond 30 km from home or between regions. Restaurants and bars are asked to close by 6 p.m., with a nationwide curfew taking effect in four hours. (Xinhua/Cheng Tingting)

A woman wearing a face mask walks past Piazza di Spagna in Rome, Italy, Dec. 24, 2020. In Italy, regulations in force through Christmas and New Year's Day prohibit non-essential travel beyond 30 km from home or between regions. Restaurants and bars are asked to close by 6 p.m., with a nationwide curfew taking effect in four hours. (Xinhua/Cheng Tingting)

Photo taken on Dec. 24, 2020 shows an empty street in Rome, Italy. In Italy, regulations in force through Christmas and New Year's Day prohibit non-essential travel beyond 30 km from home or between regions. Restaurants and bars are asked to close by 6 p.m., with a nationwide curfew taking effect in four hours. (Xinhua/Cheng Tingting)

A Carabinieri car is seen at Passeggiata del Pincio in Rome, Italy, Dec. 24, 2020. In Italy, regulations in force through Christmas and New Year's Day prohibit non-essential travel beyond 30 km from home or between regions. Restaurants and bars are asked to close by 6 p.m., with a nationwide curfew taking effect in four hours. (Xinhua/Cheng Tingting)